CVE-2023-40436

The issue was addressed with improved bounds checks

published September 26, 2023

CVSS
—
EPSS
1%
Percentile
70.2
In the wild
Unconfirmed
What it is

⚠️ A simple oversight in bounds checking could lead to unexpected system crashes! This vulnerability in macOS could leave your system vulnerable to nasty surprises. 🔥 Think of it like a poorly designed amusement park ride: if the safety bars aren't secured properly, a wild jolt could throw passengers around unexpectedly! This flaw allows attackers to exploit unchecked boundaries, leading to system instability. An attacker could potentially force your system to terminate unexpectedly, leading to frustrating crashes or, even more alarmingly, gain access to sensitive kernel memory. If exploited, it could compromise the overall integrity and reliability of your macOS environment.

Put simply

Think of it like a poorly designed amusement park ride: if the safety bars aren't secured properly, a wild jolt could throw passengers around unexpectedly! This flaw allows attackers to exploit unchecked boundaries, leading to system instability. This vulnerability results from insufficient bounds checking, which can allow an attacker to read kernel memory or trigger unexpected system termination. It’s like a miscalibrated scale that mismeasures weights, allowing harmful actions to go unchecked.

What to do

An attacker could potentially force your system to terminate unexpectedly, leading to frustrating crashes or, even more alarmingly, gain access to sensitive kernel memory. If exploited, it could compromise the overall integrity and reliability of your macOS environment. Make sure to upgrade to macOS Sonoma 14 to address this vulnerability. Regularly check for system updates to stay protected against any emerging threats. It's always good to keep that software up-to-date! You've got this! By staying vigilant and following these steps, you'll keep your system safe and sound. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01299 · 70.2th percentile
Published
2023-09-26T20:12Z
EPSS history
Timeline
  • 26 SEP 20:12Z
    The issue was addressed with improved bounds checks
    cvelistv5